838441009: Intellectual disability, aphasia, shuffling gait, adducted thumbs syndrome (disorder)

• SNOMED CT Concept\Clinical finding (finding)\...
• \Deformity (finding)\Deformity of limb (finding)\Deformity of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Deformity (finding)\Deformity of limb (finding)\Deformity of upper limb\Deformity of hand\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Deformity (finding)\Deformity of limb (finding)\Deformity of upper limb\Deformity of hand\Deformity of thumb\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Deformity (finding)\Congenital deformity\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Hydrocephalus\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Leukoencephalopathy\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Leukoencephalopathy\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of head region\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of head region\Leukoencephalopathy\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Finding of head region\Leukoencephalopathy\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Hydrocephalus\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Mental state, behavior and/or psychosocial function finding (finding)\Behavior finding\Intellectual disability\Genetic intellectual disability\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Deformity of limb (finding)\Deformity of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Deformity of limb (finding)\Deformity of upper limb\Deformity of hand\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Deformity of limb (finding)\Deformity of upper limb\Deformity of hand\Deformity of thumb\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Disorder of digit\Congenital anomaly of digit (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Disorder of digit\Congenital anomaly of digit (disorder)\Congenital abnormal shape of digit\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital abnormal shape of digit\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Deformity of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Deformity of upper limb\Deformity of hand\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Deformity of upper limb\Deformity of hand\Deformity of thumb\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Disorder of upper limb (disorder)\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Disorder of upper limb (disorder)\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Finding of hand region\Finding of digit of hand (finding)\Finding of thumb\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Finding of hand region\Finding of digit of hand (finding)\Finding of thumb\Deformity of thumb\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Finding of hand region\Deformity of hand\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Finding of hand region\Deformity of hand\Deformity of thumb\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Finding of hand region\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Finding of limb structure\Finding of upper limb\Finding of hand region\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Hydrocephalus\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Leukoencephalopathy\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Leukoencephalopathy\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Hydrocephalus\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Functional finding\Cognitive function finding (finding)\Impaired cognition (finding)\Intellectual disability\Genetic intellectual disability\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Functional finding\Cognitive function finding (finding)\Intellectual ability - finding\Intellectual disability\Genetic intellectual disability\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Functional finding\Intelligence finding (finding)\Intellectual ability - finding\Intellectual disability\Genetic intellectual disability\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Genetic disease\Genetic intellectual disability\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of nervous system\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Genetic disease\Hereditary disease\Developmental hereditary disorder\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Genetic disease\Hereditary disease\Sex-linked hereditary disorder\X-linked hereditary disease\X-linked recessive hereditary disease\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital malformation syndrome (disorder)\Multiple system malformation syndrome\Multiple malformation syndrome with limb defect as major feature\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital deformity\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital abnormal shape of digit\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Fetal and/or neonatal disorder\Congenital disease\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of nervous system\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Hereditary disorder of nervous system\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Hydrocephalus\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Disorder of digit\Congenital anomaly of digit (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Disorder of digit\Congenital anomaly of digit (disorder)\Congenital abnormal shape of digit\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Disorder of hand (disorder)\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Disorder of upper limb (disorder)\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital abnormal shape of digit\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of limb (disorder)\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Congenital anomaly of head\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Hydrocephalus\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Leukoencephalopathy\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Neurodevelopmental disorder is a behavioral and cognitive disorder with onset during the developmental period that involves impaired or aberrant development of intellectual, motor, or social functions.\Intellectual disability\Genetic intellectual disability\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Developmental hereditary disorder\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital malformation syndrome (disorder)\Multiple system malformation syndrome\Multiple malformation syndrome with limb defect as major feature\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital deformity\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of nervous system\Congenital anomaly of central nervous system\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital hypoplasia of brain\Congenital hypoplasia of part of brain\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital malformation of corpus callosum\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital anomaly of cerebrum (disorder)\Congenital hypoplasia of cerebrum\Congenital hypoplasia of cerebral hemisphere\Congenital hypoplasia of cerebral white matter (disorder)\Hypoplasia of corpus callosum\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of head\Congenital anomaly of brain\Congenital hydrocephalus\A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of digit (disorder)\Congenital abnormal shape of digit\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital deformity of upper limb\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital deformity of hand (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.
• \Disease\Developmental disorder\Congenital malformation\Congenital anomaly of limb\Congenital anomaly of upper limb\Congenital anomaly of hand (disorder)\Congenital malformation of thumb (disorder)\An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2020. Module: SNOMED CT core

Descriptions:

Id	Description	Lang	Type	Status	Case?	Module
3896943019	An X-linked clinical subtype of L1 syndrome with characteristics of mild to moderate intellectual disability, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs and mild to moderate distension of the cerebral ventricles.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
3896942012	MASA syndrome	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
3896944013	MASA (mental retardation, adducted thumbs, shuffling gait, aphasia) syndrome	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
3896946010	Intellectual disability, aphasia, shuffling gait, adducted thumbs syndrome	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3896947018	Mental retardation, adducted thumbs, shuffling gait, aphasia syndrome	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
5155236011	Intellectual disability, aphasia, shuffling gait, adducted thumbs syndrome (disorder)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
6387671000241117	syndrome de déficience intellectuelle, pouces en adduction, démarche trainante et aphasie	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
6387681000241115	syndrome de déficience intellectuelle, pouces en adduction, brachybasie et aphasie	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
6387691000241118	syndrome MASA (mental retardation, adducted thumbs, shuffling gait, aphasia syndrome)	fr	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module

Expanded Value Set

This concept is not in any reference sets

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